US3715281A
Expired / Lapsed
US
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Transgrow
Assignee: United States Department of Health and Human Services
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Filing: 1970-10-23
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Granted: 1973-02-06
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Expires: 1990-10-23
Abstract
Abstract An improved transport vehicle for N. gonorroheae and N. meningitidis utilizing under a 10% CO2 blanket, a growth medium which utilizes as essential components an improved hard agar concentration of about 2.0-2.5 percent twinned with about 0.25 percent dextrose. A diamino benzyl pyrimidine to selectively screen out Proteus may be added.
Inventors
- 👤 J Martin
- 👤 A Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:37
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/04; C12Q1/12; Y; Y10; Y10S; Y10S435/00; Y10S435/80
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
59 words
The process of transporting for analysis samples of gonorrhea and N meningitidis in the presence of a 10% CO2 blanket atmosphere contiguous to the growth medium and utilizing as essential active ingredients of said growth medium a combination of about 2.0-2.5 percent agar, 0.25 percent dextrose and an effective amount of a diamino bienzyl pyrimidine to screen out Proteus.
Claim 2
Dependent Claim
59 words
The process of transporting for analysis samples of gonorrhea and N meningitidis in the presence of a 10% CO2 blanket atmosphere contiguous to the growth medium and utilizing as essential active ingredients of said growth medium a combination of about 2.0-2.5 percent agar, 0.25 percent dextrose and an effective amount of a diamino bienzyl pyrimidine to screen out Proteus.
Claim 3
Dependent Claim
17 words
The improvement according to claim 1 wherein the growth medium contains about 5 Mu g./ml. of 2,4-diamino-5(3''4''5-trimethoxybenzyl)-pyrimidine.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |